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This E-T-A 808-H-3.25A is a single-pole, resettable circuit breaker featuring a magnetic fast trip mechanism. It is designed for PCB mounting and operates with a rated voltage of DC 24V and a rated current range of 0.01A to 5A. The breaker provides reliable protection for sensitive PCB components due to its very fast tripping.
The magnetic tripping principle ensures that the circuit breaker's function is largely independent of ambient temperature, making it suitable for many application areas. It is approved by CSA C22.2 No 235 and UL1077. The device offers increased availability as it can be quickly switched on after an overcurrent trip, preventing nuisance tripping.
Its compact design saves space and reduces operating costs compared to fuses, eliminating procurement, stocking, disposal, and service expenses. The circuit breaker also reduces overall costs by saving components and simplifying mounting and wiring efforts.
The 808-H-3.25A operates at 24 VDC and 120 VAC.
The rated current is 0.01 to 5 A, with a nominal rating of 3.25 A.
Internal resistance is less than or equal to 0.02 Ohm.
Dielectric strength is 1,240 VAC between operating area, excitation circuit, and switching/signalling circuits.
Insulation resistance exceeds 100 MOhm at 500 VDC.
It is a magnetic circuit breaker.
It is mounted on a PCB.